Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581360 | Gas balanced cryogenic expansion engine | Ralph C. Longsworth, John Borchers | 2017-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581360 | Gas balanced cryogenic expansion engine | Ralph C. Longsworth, John Borchers | 2017-02-28 |